311133113023 has 12 divisors (see below), whose sum is σ = 321529308840. Its totient is φ = 301062955440.

The previous prime is 311133113003. The next prime is 311133113041. The reversal of 311133113023 is 320311331113.

It is a de Polignac number, because none of the positive numbers 2^k-311133113023 is a prime.

It is a super-3 number, since 3×311133113023³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311133112985 and 311133113003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311133113003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15776493 + ... + 15796201.

It is an arithmetic number, because the mean of its divisors is an integer number (26794109070).

Almost surely, 2^311133113023 is an apocalyptic number.

311133113023 is a deficient number, since it is larger than the sum of its proper divisors (10396195817).

311133113023 is a wasteful number, since it uses less digits than its factorization.

311133113023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36198 (or 36167 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 311133113023 its reverse (320311331113), we get a palindrome (631444444136).

The spelling of 311133113023 in words is "three hundred eleven billion, one hundred thirty-three million, one hundred thirteen thousand, twenty-three".